App Dev Worksheet: Part 2 Test
Developer's tip (Think like the user): First decide which topic the question is about. Use that lesson’s rule: 48 px buttons, 16 px text, the screen stack, the flow order. For code, count positions from 0.
NameDateTime takenScore ___ / 40
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1.🖼️ How many parts (boxes) does this wireframe have?
[ menu icon ]
[ Add button ]
[ top bar ]
[ title text ]
[ Save button ] -
2.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ filter buttons ]
[ big picture ]
[ top bar ]
[ list of items ]
[ search box ] (a) list of items (b) search box (c) big picture (d) top bar - 3.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
- 4.Which of these is true of a final design? (a) looks like the real app (b) is a quick sketch (c) uses plain grey boxes (d) shows where things go
- 5.💾 What is a variable? (a) a type of screen (b) a picture (c) a phone setting (d) a named box for a value
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6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Video”
2. open “Edit photo”
3. open “Friend list”
Which screen are you on now? (a) Lessons (b) Video (c) Edit photo (d) Friend list - 7.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) pay for the order (b) check the cart (c) open the menu (d) pick a dish
- 8.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
- 9.Which of these fits saving in the cloud? (a) photos on two devices (b) notes to read offline (c) a draft you are typing (d) your last game level
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10.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ menu icon ]
[ search box ]
[ Add button ]
[ list of items ] (a) search box (b) menu icon (c) list of items (d) Add button -
11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Footer: 10 px
Caption: 11 px
Title: 24 px -
12.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
Design A: Home → Menu → Pens
Design B: Home → Pens → Shop → Results - 13.🌗 Is dark blue on white easy or hard to read on a button? (a) easy to read (b) hard to read
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14.🖼️ In this wireframe (top to bottom), what is right below the list of items?
[ search box ]
[ list of items ]
[ filter buttons ]
[ menu icon ] (a) search box (b) menu icon (c) filter buttons - 15.🧭 What does the back button usually do? (a) goes to the last screen (b) deletes the page (c) closes all apps (d) opens settings
- 16.Which colour pair is hard to read? (a) black on pale grey (b) white on black (c) black on yellow (d) dark blue on black
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17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Body text: 20 px
Footer: 11 px
Menu: 12 px -
18.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
Done button: 64 px tall
Cancel button: 28 px tall
Next button: 52 px tall (a) Done (b) Next (c) Cancel - 19.Which of these is about UX (the experience)? (a) the icon shapes (b) the screen layout (c) the theme colours (d) whether users get lost
- 20.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) enter the code sent (b) make a password (c) type name and email (d) see the home screen
- 21.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
- 22.🌗 Is white on dark green easy or hard to read on a button? (a) hard to read (b) easy to read
- 23.Which of these is about UX (the experience)? (a) the theme colours (b) the icon shapes (c) the font size (d) how fast a task is done
- 24.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) the last app used (c) that tab’s main screen (d) a random page
- 25.🎨 Is this about UI or UX: how many taps it takes? (a) UX (b) UI
- 26.🔢 In a photo-post flow, what comes right after “write a caption”? (a) add a filter (b) open the camera screen (c) post the photo (d) take the photo
- 27.Which of these helps everyone use the app? (a) colour as the only clue (b) strong colour contrast (c) tiny tap areas (d) sudden loud sounds
- 28.🔢 In a photo-post flow, which comes first: “write a caption” or “open the camera screen”? (a) open the camera screen (b) write a caption
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29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Match report”
2. tap Back
3. tap the Settings tab
Which screen are you on now? (a) Feed (b) Chat (c) Settings (d) Match report - 30.🌗 Is yellow on white easy or hard to read on a button? (a) hard to read (b) easy to read
- 31.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
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32.🖼️ How many parts (boxes) does this wireframe have?
[ big picture ]
[ top bar ]
[ Save button ]
[ search box ]
[ title text ] -
33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
1. open “Video”
2. open “Map”
3. open “Video”
4. tap Back
5. tap Back
Which screen are you on now? (a) Map (b) Video (c) Lessons (d) Quiz - 34.🔢 In a quiz-app flow, which comes FIRST? (a) see the final score (b) see if it is right (c) read a question (d) tap “Start quiz”
- 35.🔘 Is this good or poor button design: a big, easy tap area? (a) good design (b) poor design
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36.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ Save button ]
[ list of items ]
[ search box ]
[ title text ] (a) list of items (b) Save button (c) search box (d) title text - 37.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a wireframe (b) a final design
- 38.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
- 39.True or false: the button colours is about UX (the experience). (a) True (b) False
- 40.True or false: how many taps it takes is about UI (the look). (a) False (b) True
Answer key
- 5
- search box
- helps everyone
- looks like the real app
- a named box for a value
- Friend list
- check the cart
- 8
- photos on two devices
- list of items
- 2
- 2
- easy to read
- filter buttons
- goes to the last screen
- dark blue on black
- 2
- Cancel
- whether users get lost
- type name and email
- makes it harder
- easy to read
- how fast a task is done
- that tab’s main screen
- UX
- post the photo
- strong colour contrast
- open the camera screen
- Settings
- hard to read
- False
- 5
- Video
- tap “Start quiz”
- good design
- title text
- a final design
- the back button
- False
- False
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students